Isisekelo se-Wind Turbine kanye nomklamo omuhle kakhulu
Ama-turbine omoya ayinsika eyinhloko yokuguquka kwamandla aye emithonjeni yamandla ehlanzekile. Kodwa-ke, ngemuva kwama-blade ajikelezayo nemibhoshongo emide kukhona ingxenye evame ukuthola ukunakwa okuncane kodwa ebalulekile ekuphepheni kwesistimu, ukuthembeka, kanye nokuphila kwenkonzo: isisekelo. Isisekelo se-turbine yomoya sisebenza ukudlulisa wonke umthwalo kusuka embhoshongweni kanye ne-nacelle uye phansi noma olwandle, ngenkathi kugcinwa ukuzinza ngokumelene namandla omoya ashintshayo, ukudlidliza, kanye nezimo ze-geotechnical eziyinkimbinkimbi. Ngakho-ke, ukwakheka kwesisekelo okuhle akuyona nje indaba "yokwenza ukhonkolo omkhulu," kodwa kunalokho ibhalansi phakathi kwezici zesakhiwo, ze-geotechnical, zokwakha, zezomnotho, kanye nezendawo ezungezile.
Indima kanye Nezinselele Zezisekelo Ze-Wind Turbine
Izisekelo ze-wind turbine zibhekene nenhlanganisela eyingqayizivele yemithwalo. Ngaphezu kwemithwalo eqondile (isisindo sesakhiwo, i-nacelle, i-rotor, kanye nezingxenye zangaphakathi), isisekelo simelana nemithwalo eseceleni kanye nezikhathi zokugumbuqela ezibangelwa yizivunguvungu zomoya, izinguquko endleleni yomoya, amandla e-aerodynamic ku-rotor, kanye nemiphumela eguquguqukayo yokusebenza kwe-turbine. Ezindaweni ezithile, imithwalo eyengeziwe njengokuzamazama komhlaba, ukwehla komhlaba, noma imijikelezo yokuqandisa nayo idinga ukucatshangelwa.
Inselele iwukuthi le mithwalo iyajikeleza futhi iyashintshashintsha, idinga izisekelo ukuze imelane nokukhathala kwezinto ezibonakalayo, izinguquko ekuqineni kwenhlabathi, kanye nokulungiswa kokwehluka okungenzeka. Uma isisekelo siguquguquka kakhulu, umbhoshongo ungabhekana nokudlidliza okweqile, kuphazamise ukusebenza futhi kunciphise impilo yengxenye. Ngokuphambene nalokho, uma siqinile kakhulu futhi sikhulu kakhulu, izindleko ziyanda ngaphandle kwezinzuzo ezihambisanayo.
Izinhlobo Zesisekelo Se-Wind Turbine: Ogwini kanye Nasogwini Lolwandle
Ngokuvamile, izisekelo ze-wind turbine zihlukaniswe ngezimo ezimbili: ezisogwini kanye nezisegwini. Ngayinye inezinketho ezahlukene zohlobo lwesisekelo.
1) Isisekelo sase-Onshore
1. Isisekelo Sesisekelo Sokudonsa Amandla (i-GBF)
Uhlobo oluvame kakhulu lwama-turbine asogwini yisisekelo sekhonkrithi esiqinisiwe esiyindilinga noma esine-polygonal. Ukuzinza kutholakala ngokuzilinganisa kwesisekelo kanye nokusebenzisana nenhlabathi. Ama-GBF kulula ukuwakha, afanele inhlabathi enekhono lokuthwala elanele, futhi anikeza izindleko zokuncintisana.
2. Isisekelo Senqwaba (izinqwaba)
Kusetshenziswa lapho inhlabathi engaphezulu ibuthakathaka noma kunesendlalelo esithambile esijiyile. Umthwalo udluliselwa ezingqimbeni ezijulile zenhlabathi ngezinqwaba (ukhonkolo noma insimbi). Lolu hlelo lungandisa amandla aseceleni futhi lunciphise ukuhlala, kodwa ngokuvamile lubiza kakhulu futhi ludinga imishini ekhethekile.
3. Isisekelo Esisekelwe Edwaleni
Ezindaweni ezinamadwala, izisekelo zingabanjiswa edwaleni elingaphansi kusetshenziswa amabhawodi e-anchor. Lesi sixazululo singasebenza kahle ngoba sinciphisa umthamo wekhonkrithi, kodwa sincike kakhulu ekhwalithini yedwala kanye nenqubo yokubhoboza/yokufaka i-anchor.
2) Isisekelo Solwandle (Ogwini Lolwandle)
1. I-Monopile
Uhlobo oluthandwa kakhulu ngama-turbine asogwini lolwandle emanzini angajulile kuya kwaphakathi. Ama-monopile amapayipi ensimbi anobubanzi obukhulu aqhutshwa phansi kolwandle. Izinzuzo zawo zifaka phakathi ukwakheka okulula nokufakwa okusheshayo, kodwa adinga ukuhlaziywa okunamandla okunamandla kanye nokulawula umsindo ngesikhathi sokushayela.
2. Isisekelo Sejakethi
Isakhiwo sensimbi esinemilenze eminingi yezinqwaba. Sifanelekela amanzi ajulile kanye nemithwalo esindayo. Ijazi liyinkimbinkimbi kakhulu, kodwa lisebenza kahle kakhulu ekujuleni okuthile.
3. Isisekelo Sokudonsa Emandleni Angaphandle
Kufana nomqondo we-GBFs ogwini lolwandle, kodwa kuklanyelwe izimo ezingaphansi kolwandle kanye ne-hydrodynamic. Ukwakhiwa kungaba kukhulu futhi ukufakwa kungaba yinselele.
4. Isisekelo Esintantayo (esintantayo)
Kumanzi ajulile, isisekelo siyantanta (esingacwiliswa kancane, esiqinile, noma esiqinile) futhi siqiniswe yizindawo zokubopha. Lokhu kuvula amathuba abalulekile okuthuthukiswa kolwandle ezindaweni zamanzi ajulile, kodwa kudinga izindawo zokubopha eziyinkimbinkimbi kakhulu kanye nemiklamo yesistimu yekhebula enamandla.
Izimiso Zokuklama Ezifanele
Umklamo wesisekelo ofanele kumele ufinyelele ibhalansi phakathi kokusebenza kwesakhiwo, ukufaneleka kwe-geotechnical, ukulula kokwakhiwa, kanye nezindleko zomjikelezo wokuphila. Izimiso ezibalulekile yilezi ezilandelayo:
1) Qonda idatha yendawo kahle
Ukuthuthukisa kuqala ngophenyo lwendawo: ukuhlolwa kwemigodi yamanzi, i-SPT/CPT, ukuhlolwa kwelabhorethri, imephu yejiyoloji, idatha yezinga lamanzi angaphansi komhlaba, kanye nomlando wokuguguleka komhlaba noma wokuncibilika kwamanzi. Umklamo omuhle awukwazi ukuthembela ekuqageleni okuvamile, njengoba ukuhlukahluka kwezimo zenhlabathi ngisho namamitha ambalwa kungashintsha kakhulu izidingo zobukhulu besisekelo.
2) Ukulawula Ukugoqa Nokuzinza Kwesilayidi
Ku-GBF, izivivinyo eziyinhloko zifaka:
– Ukugumbuqela: ukuqinisekisa ukuthi isikhathi sokugcina (kusukela esisindweni sesisekelo kanye nomthwalo osindayo) sanele ukumelana nesikhathi sokugumbuqela.
– Ukushelela: ukuqinisekisa ukuthi amandla okusika awadluli umthamo wokusika wesisekelo sesisekelo.
– Umthamo wokuthwala: kuqinisekisa ukuthi ingcindezi yokuxhumana kwesisekelo isengaphakathi kwemingcele yomthamo wokuthwala inhlabathi ngesici sokuphepha esifanele.
Ezisekelweni zezinqwaba, ukugxila kuhlanganisa umthamo oseceleni, izikhathi ezinhlokweni zezinqwaba, kanye nemiphumela yeqembu lezinqwaba.
3) Ukuphatha Impendulo Eguquguqukayo kanye Nokuphindaphindeka Kwemvelo
Ama-turbine omoya anezinhlobo ezahlukene zama-frequency okusebenza. Izisekelo nemibhoshongo kumele yakhelwe ngendlela yokuthi ama-frequency emvelo esakhiwo "angahlangabezani" nama-frequency okuvusa i-rotor (isb., i-1P ne-3P ku-turbine enama-blade amathathu). Lo mqondo ubalulekile ngoba i-resonance ingandisa ukudlidliza kanye nomonakalo wezingxenye. Ngakho-ke, ukwenza ngcono kuvame ukuhilela ukulungisa ukuqina kwesisekelo, ububanzi/ukujiya kombhoshongo, kanye nemininingwane yokuxhumana.
4) Imininingwane Yokuxhumana: Ikheji Le-Anchor kanye Nendandatho Eyisisekelo
Kuma-turbine asogwini, ukuxhumana phakathi kombhoshongo nesisekelo kuvame ukusebenzisa amakheji okubamba (amabhawodi amakhulu okubamba) afakwe kukhonkolo. Le mininingwane kumele yakhelwe ukuthi:
– ukumelana namandla okuqina ngenxa yezikhathi zokugumbuqela,
– lawula imifantu yekhonkrithi,
- gcina ukubekezelelana kokufakwa kwemibhoshongo,
– kuvimbela ukugqwala (ikakhulukazi ezindaweni ezinomswakama/ezinolaka).
Amaphutha okucacisa noma okufakwayo kule ndawo angaholela ezinkingeni ezinkulu noma ngabe ubukhulu besisekelo bubonakala “bukhulu ngokwanele”.
5) Ukusebenza Kahle Kwezinto Nezindlela Zokwakha
Okuhle kakhulu akusho njalo ukuthi ivolumu yekhonkrithi incane, kodwa ngokuvamile kusho inhlanganisela esebenza kahle kakhulu yevolumu yekhonkrithi, inani lokuqinisa, isikhathi somsebenzi, izidingo zemishini esindayo, kanye nengozi yokubambezeleka. Isibonelo:
– Ukunciphisa umthamo wekhonkrithi kunganciphisa izindleko, kodwa uma kudingeka ukuqinisa okuyinkimbinkimbi okwengeziwe, izindleko eziphelele zingakhuphuka.
– Ezindaweni ezikude, izinto zokwakha ziba yinto evelele; imiklamo elula ngezinye izikhathi iyonga kakhulu.
6) Ukusimama Kwemvelo kanye Nokuthuthwa Kwamanzi
Izisekelo zasogwini kumele zivikelwe ekugugulekeni nasekulinyazweni kwamanzi. Izinhlelo zokukhipha amanzi, ukuvikelwa kwemithambeka, kanye nokulawulwa kwamanzi angaphezulu kungavimbela ukuwohloka okuzungeze isisekelo. Ulwandle, ukugqwala kanye nokukhathala kwamagagasi kuyizinkinga ezibalulekile, ngakho-ke ukuvikelwa kwe-cathodic kanye nokugqoka kumele kuhlelwe kusukela ekuqaleni.
Isu Lokuthuthukisa Emsebenzini
Ukuthuthukisa ukwakheka kwesisekelo ngokuvamile kulandela lezi zinyathelo:
1. Nquma imithwalo yomklamo evela kumthengisi we-turbine (izimo zomthwalo) okuhlanganisa izimo zokusebenza ezijwayelekile, iziphepho ezinkulu, ukuvalwa okuphuthumayo, kanye nokuthuthwa/ukwakhiwa.
2. Yakha imodeli ye-geotechnical emele izendlalelo zenhlabathi kanye nemingcele yamandla/yokucindezelwa.
3. Ukuhlaziywa kokuxhumana kwesakhiwo somhlabathi ukuze kubikezelwe ukujikeleza, ukuhlala, kanye nokuqina okuphumelelayo.
4. Phindaphinda ubukhulu nemininingwane ukuze ufinyelele imigomo yokusebenza (ukuzinza, ukuvama, ukuqhekeka, ukukhathala).
5. Buyekeza ukwakhiwa kanye nezindleko: izindlela zokumba, izidingo zokususa amanzi, ukuhlanganisa ukhonkolo, ukuhlanza, kanye nezinhlelo ze-QA/QC.
6. Ukunciphisa ubungozi: izinhlelo zokuhlola, ukuqapha ukudlidliza, kanye namasu okulungisa.
Ngale ndlela, ukwakheka okuhle kakhulu kungahluka kusuka endaweni eyodwa kuya kwenye, ngisho noma kusetshenziswa uhlobo olufanayo lwe-turbine.
Isiphetho
Izisekelo ze-wind turbine zibalulekile ekuzinzeni nasekuphileni kwenkonzo ye-turbine, kungakhathaliseki ukuthi isemhlabathini noma olwandle. Umklamo omuhle udinga ukuqonda kahle imithwalo eguquguqukayo, ukuziphatha kwenhlabathi, imininingwane yokuxhumana, kanye nezici zokwakha zesikhathi eside kanye nezindleko. Ukukhetha uhlobo lwesisekelo olufanele—isisekelo samandla adonsela phansi, inqwaba, i-monopile, ijakethi, noma ukuntanta—kumele kusekelwe njalo ezimweni zesayithi kanye nemigomo yokusebenza. Lapho izimiso ze-geotechnical kanye nezakhiwo zihlanganiswa nesu lokwakha elingokoqobo, umphumela uba isisekelo esingaphephile nje kuphela, kodwa futhi esisebenza kahle, esithembekile, futhi esisekela ukusimama kwephrojekthi yamandla omoya.
Uma ufisa, ngingaguqula lesi sihloko sibe sezobuchwepheshe kakhulu (isib. ukwengeza amafomula okuklama ayisisekelo, amapharamitha e-geotechnical, kanye nezibonelo ezilula zokubala) noma sithandwe kakhulu ngabafundi abavamile.
